Convert PDF to GRAYSCALE via JavaScript

Native and high-performance PDF file creation without Adobe Acrobat installation using JavaScript.

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Convert PDF to GRAYSCALE in Node.js via C++

In order to convert PDF to GRAYSCALE, we’ll use Aspose.PDF API which is a feature-rich, powerful and easy to use document manipulation and conversion API for C++ platform. Open NuGet package manager, search for Aspose.PDF and install. You may also use the following command from the Package Manager Console.

How to Convert PDF to GRAYSCALE

Node.js via C++ developers can easily load & convert PDF files to GRAYSCALE in just a few lines of code.

  1. Select a PDF file for converting
  2. Set the function AsposePdfConvertToGrayscale and PDF Grayscale file name
  3. Check if the ‘json.errorCode’ is 0 or is not equal to 0
  4. Download the output PDF Grayscale file

Here is an example that demonstrates how to convert PDF to GRAYSCALE in JavaScript. You can follow these easy steps to convert your PDF file to GRAYSCALE format. First, upload your PDF file and then simply save it as a GRAYSCALE file. You can use fully qualified filenames for both PDF reading and GRAYSCALE writing. The output GRAYSCALE content and formatting will be identical to the original PDF document.

Example: Convert PDF to GRAYSCALE via JavaScript

This sample code shows PDF to GRAYSCALE JavaScript Conversion

Input file:

File not added

Output format:

GRAYSCALE

Output file:

const AsposePdf = require('../AsposePDFforNode.js');
const pdf_file = '../ReadMe.pdf';
AsposePdf().then(AsposePdfModule => {
    json = AsposePdfModule.AsposePdfConvertToGrayscale(pdf_file, resultdir + "ResultConvertToGrayscale.pdf");
    console.log("AsposePdfConvertToGrayscale => %O",  json.errorCode == 0 ? json.fileNameResult : json.errorText);
});

Convert PDF to GRAYSCALE using Node.js via C++ library

Our .NET Library can convert a document from any supported download format to any supported save format. Aspose.PDF for .NET library provides fairly universal solutions that will help you solve the tasks of converting documents. Aspose.PDF supports the largest number of popular document formats, both for loading and saving. Draw your attention that the current section describes only popular conversions. The current page provides information about converting PDF to GRAYSCALE. However, there are many combinations for converting your files. For a complete list of supported formats, see the section Supported File Formats.